A highly trained group of NCIS (Naval Criminal Investigative Service) personnel investigate all crimes with Navy or Marine Corps ties.

When a shocking tell-all threatens to ruin Christmas for a decorated Marine, NCIS must uncover the truth and deliver a holiday miracle - before the book hits shelves and turns a hero's legacy into a holiday disaster.

NCIS (Naval Criminal Investigative Service) is more than just an action drama. With liberal doses of humor, it’s a show that focuses on the sometimes complex and always amusing dynamics of a team forced to work together in high-stress situations.

NCIS agents from Washington, D.C., L.A. and Hawai’i, all in D.C. to attend the retirement party of a beloved Federal Law Enforcement Training Center (FLETC) professor, find themselves investigating his shocking suicide.

When the NCIS team engages in Walk-a-Mile day to gain a new perspectives on different departments, things take a turn when Kasie receives a distress call from a mysterious man.

NCIS investigates the unexpected death of a Navy reservist who was an investigative journalist; Knight and Jimmy's budding romance is put on hold when a vital organ transfer goes fatally wrong.

NCIS stages a fake wedding for two of its own in an attempt to take down the mob. Air Date: Feb 3, 2025

As NCIS mourns the loss of Ducky, the agents find comfort in working on one of his unfinished cases involving a woman whose father was dishonorably discharged from the Marines. Air Date: Feb 19, 2024

NCIS searches for a missing undercover agent in the midst of an active hostage situation. Air Date: Oct 14, 2024

NCIS investigates Marine Cpl. Laney Alimonte after evidence suggests she murdered her neighbor while being treated for insomnia by a hypnotherapist; Gibbs befriends his new neighbors after the 9-year-old's baseball crashes through his window.